/* Header file for mounting/unmount Linux filesystems.

[0] Fix | Delete

Copyright (C) 1996-2018 Free Software Foundation, Inc.

[1] Fix | Delete

This file is part of the GNU C Library.

[2] Fix | Delete

[3] Fix | Delete

The GNU C Library is free software; you can redistribute it and/or

[4] Fix | Delete

modify it under the terms of the GNU Lesser General Public

[5] Fix | Delete

License as published by the Free Software Foundation; either

[6] Fix | Delete

version 2.1 of the License, or (at your option) any later version.

[7] Fix | Delete

[8] Fix | Delete

The GNU C Library is distributed in the hope that it will be useful,

[9] Fix | Delete

but WITHOUT ANY WARRANTY; without even the implied warranty of

[10] Fix | Delete

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

[11] Fix | Delete

Lesser General Public License for more details.

[12] Fix | Delete

[13] Fix | Delete

You should have received a copy of the GNU Lesser General Public

[14] Fix | Delete

License along with the GNU C Library; if not, see

[15] Fix | Delete

<http://www.gnu.org/licenses/>. */

[16] Fix | Delete

[17] Fix | Delete

/* This is taken from /usr/include/linux/fs.h. */

[18] Fix | Delete

[19] Fix | Delete

#ifndef _SYS_MOUNT_H

[20] Fix | Delete

#define _SYS_MOUNT_H 1

[21] Fix | Delete

[22] Fix | Delete

#include <features.h>

[23] Fix | Delete

#include <sys/ioctl.h>

[24] Fix | Delete

[25] Fix | Delete

#define BLOCK_SIZE 1024

[26] Fix | Delete

#define BLOCK_SIZE_BITS 10

[27] Fix | Delete

[28] Fix | Delete

[29] Fix | Delete

/* These are the fs-independent mount-flags: up to 16 flags are

[30] Fix | Delete

supported */

[31] Fix | Delete

enum

[32] Fix | Delete

{

[33] Fix | Delete

MS_RDONLY = 1, /* Mount read-only. */

[34] Fix | Delete

#define MS_RDONLY MS_RDONLY

[35] Fix | Delete

MS_NOSUID = 2, /* Ignore suid and sgid bits. */

[36] Fix | Delete

#define MS_NOSUID MS_NOSUID

[37] Fix | Delete

MS_NODEV = 4, /* Disallow access to device special files. */

[38] Fix | Delete

#define MS_NODEV MS_NODEV

[39] Fix | Delete

MS_NOEXEC = 8, /* Disallow program execution. */

[40] Fix | Delete

#define MS_NOEXEC MS_NOEXEC

[41] Fix | Delete

MS_SYNCHRONOUS = 16, /* Writes are synced at once. */

[42] Fix | Delete

#define MS_SYNCHRONOUS MS_SYNCHRONOUS

[43] Fix | Delete

MS_REMOUNT = 32, /* Alter flags of a mounted FS. */

[44] Fix | Delete

#define MS_REMOUNT MS_REMOUNT

[45] Fix | Delete

MS_MANDLOCK = 64, /* Allow mandatory locks on an FS. */

[46] Fix | Delete

#define MS_MANDLOCK MS_MANDLOCK

[47] Fix | Delete

MS_DIRSYNC = 128, /* Directory modifications are synchronous. */

[48] Fix | Delete

#define MS_DIRSYNC MS_DIRSYNC

[49] Fix | Delete

MS_NOATIME = 1024, /* Do not update access times. */

[50] Fix | Delete

#define MS_NOATIME MS_NOATIME

[51] Fix | Delete

MS_NODIRATIME = 2048, /* Do not update directory access times. */

[52] Fix | Delete

#define MS_NODIRATIME MS_NODIRATIME

[53] Fix | Delete

MS_BIND = 4096, /* Bind directory at different place. */

[54] Fix | Delete

#define MS_BIND MS_BIND

[55] Fix | Delete

MS_MOVE = 8192,

[56] Fix | Delete

#define MS_MOVE MS_MOVE

[57] Fix | Delete

MS_REC = 16384,

[58] Fix | Delete

#define MS_REC MS_REC

[59] Fix | Delete

MS_SILENT = 32768,

[60] Fix | Delete

#define MS_SILENT MS_SILENT

[61] Fix | Delete

MS_POSIXACL = 1 << 16, /* VFS does not apply the umask. */

[62] Fix | Delete

#define MS_POSIXACL MS_POSIXACL

[63] Fix | Delete

MS_UNBINDABLE = 1 << 17, /* Change to unbindable. */

[64] Fix | Delete

#define MS_UNBINDABLE MS_UNBINDABLE

[65] Fix | Delete

MS_PRIVATE = 1 << 18, /* Change to private. */

[66] Fix | Delete

#define MS_PRIVATE MS_PRIVATE

[67] Fix | Delete

MS_SLAVE = 1 << 19, /* Change to slave. */

[68] Fix | Delete

#define MS_SLAVE MS_SLAVE

[69] Fix | Delete

MS_SHARED = 1 << 20, /* Change to shared. */

[70] Fix | Delete

#define MS_SHARED MS_SHARED

[71] Fix | Delete

MS_RELATIME = 1 << 21, /* Update atime relative to mtime/ctime. */

[72] Fix | Delete

#define MS_RELATIME MS_RELATIME

[73] Fix | Delete

MS_KERNMOUNT = 1 << 22, /* This is a kern_mount call. */

[74] Fix | Delete

#define MS_KERNMOUNT MS_KERNMOUNT

[75] Fix | Delete

MS_I_VERSION = 1 << 23, /* Update inode I_version field. */

[76] Fix | Delete

#define MS_I_VERSION MS_I_VERSION

[77] Fix | Delete

MS_STRICTATIME = 1 << 24, /* Always perform atime updates. */

[78] Fix | Delete

#define MS_STRICTATIME MS_STRICTATIME

[79] Fix | Delete

MS_LAZYTIME = 1 << 25, /* Update the on-disk [acm]times lazily. */

[80] Fix | Delete

#define MS_LAZYTIME MS_LAZYTIME

[81] Fix | Delete

MS_ACTIVE = 1 << 30,

[82] Fix | Delete

#define MS_ACTIVE MS_ACTIVE

[83] Fix | Delete

MS_NOUSER = 1 << 31

[84] Fix | Delete

#define MS_NOUSER MS_NOUSER

[85] Fix | Delete

};

[86] Fix | Delete

[87] Fix | Delete

/* Flags that can be altered by MS_REMOUNT */

[88] Fix | Delete

#define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION \

[89] Fix | Delete

|MS_LAZYTIME)

[90] Fix | Delete

[91] Fix | Delete

[92] Fix | Delete

/* Magic mount flag number. Has to be or-ed to the flag values. */

[93] Fix | Delete

[94] Fix | Delete

#define MS_MGC_VAL 0xc0ed0000 /* Magic flag number to indicate "new" flags */

[95] Fix | Delete

#define MS_MGC_MSK 0xffff0000 /* Magic flag number mask */

[96] Fix | Delete

[97] Fix | Delete

[98] Fix | Delete

/* The read-only stuff doesn't really belong here, but any other place

[99] Fix | Delete

is probably as bad and I don't want to create yet another include

[100] Fix | Delete

file. */

[101] Fix | Delete

[102] Fix | Delete

#define BLKROSET _IO(0x12, 93) /* Set device read-only (0 = read-write). */

[103] Fix | Delete

#define BLKROGET _IO(0x12, 94) /* Get read-only status (0 = read_write). */

[104] Fix | Delete

#define BLKRRPART _IO(0x12, 95) /* Re-read partition table. */

[105] Fix | Delete

#define BLKGETSIZE _IO(0x12, 96) /* Return device size. */

[106] Fix | Delete

#define BLKFLSBUF _IO(0x12, 97) /* Flush buffer cache. */

[107] Fix | Delete

#define BLKRASET _IO(0x12, 98) /* Set read ahead for block device. */

[108] Fix | Delete

#define BLKRAGET _IO(0x12, 99) /* Get current read ahead setting. */

[109] Fix | Delete

#define BLKFRASET _IO(0x12,100) /* Set filesystem read-ahead. */

[110] Fix | Delete

#define BLKFRAGET _IO(0x12,101) /* Get filesystem read-ahead. */

[111] Fix | Delete

#define BLKSECTSET _IO(0x12,102) /* Set max sectors per request. */

[112] Fix | Delete

#define BLKSECTGET _IO(0x12,103) /* Get max sectors per request. */

[113] Fix | Delete

#define BLKSSZGET _IO(0x12,104) /* Get block device sector size. */

[114] Fix | Delete

#define BLKBSZGET _IOR(0x12,112,size_t)

[115] Fix | Delete

#define BLKBSZSET _IOW(0x12,113,size_t)

[116] Fix | Delete

#define BLKGETSIZE64 _IOR(0x12,114,size_t) /* return device size. */

[117] Fix | Delete

[118] Fix | Delete

[119] Fix | Delete

/* Possible value for FLAGS parameter of `umount2'. */

[120] Fix | Delete

enum

[121] Fix | Delete

{

[122] Fix | Delete

MNT_FORCE = 1, /* Force unmounting. */

[123] Fix | Delete

#define MNT_FORCE MNT_FORCE

[124] Fix | Delete

MNT_DETACH = 2, /* Just detach from the tree. */

[125] Fix | Delete

#define MNT_DETACH MNT_DETACH

[126] Fix | Delete

MNT_EXPIRE = 4, /* Mark for expiry. */

[127] Fix | Delete

#define MNT_EXPIRE MNT_EXPIRE

[128] Fix | Delete

UMOUNT_NOFOLLOW = 8 /* Don't follow symlink on umount. */

[129] Fix | Delete

#define UMOUNT_NOFOLLOW UMOUNT_NOFOLLOW

[130] Fix | Delete

};

[131] Fix | Delete

[132] Fix | Delete

[133] Fix | Delete

__BEGIN_DECLS

[134] Fix | Delete

[135] Fix | Delete

/* Mount a filesystem. */

[136] Fix | Delete

extern int mount (const char *__special_file, const char *__dir,

[137] Fix | Delete

const char *__fstype, unsigned long int __rwflag,

[138] Fix | Delete

const void *__data) __THROW;

[139] Fix | Delete

[140] Fix | Delete

/* Unmount a filesystem. */

[141] Fix | Delete

extern int umount (const char *__special_file) __THROW;

[142] Fix | Delete

[143] Fix | Delete

/* Unmount a filesystem. Force unmounting if FLAGS is set to MNT_FORCE. */

[144] Fix | Delete

extern int umount2 (const char *__special_file, int __flags) __THROW;

[145] Fix | Delete

[146] Fix | Delete

__END_DECLS

[147] Fix | Delete

[148] Fix | Delete

#endif /* _SYS_MOUNT_H */

[149] Fix | Delete

[150] Fix | Delete